1.

The number of real numbers λ for which the equality sinλαsinα−cosλαcosα=λ−1, holds for all real α which are not integral multiples of π2 is

Answer»

The number of real numbers λ for which the equality
sinλαsinαcosλαcosα=λ1,
holds for all real α which are not integral multiples of π2 is



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